Consider the following list of project activities: Duration Activity Predecessor (months) ABCDE A F G A DA C, D B, E F 5 6 3.5 4.5 6 5 3.5 a. Draw an Activity on Node (AON) diagram to reflect the flow of these activities. b. Calculate the Early Start (ES), Early Finish (EF), Late Start (LS), and Late Finish (LF) for each activity. c. Calculate the slack for each activity. d. Identify all activities on the Critical Path. e. What happens if activity B is delayed by 4 months? How does that change your answers to questions b, c, and d?